SUMIT Payment Gateway for WooCommerce < 4.0.0 - Unauthenticated Payment Confirmation Forgery via bit IPN
Priority MEDIUM 63CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.
Summary
The SUMIT Payment Gateway for WooCommerce WordPress plugin before 4.0.0 does not verify with the payment provider that a payment notification is genuine before marking the corresponding order as paid, allowing unauthenticated users to mark a pending order paid without completing payment.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed SUMIT Payment Gateway for WooCommerce (Unknown): 4.0.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | SUMIT Payment Gateway for WooCommerce | before 4.0.0 | 4.0.0 | Patch available | CNA |
- SUMIT Payment Gateway for WooCommerce VendorUnknown Affected before 4.0.0 Fixed in 4.0.0 Patch available CNA
Remediation
- Fix · CNA SUMIT Payment Gateway for WooCommerce (Unknown) Fixed in 4.0.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-84091
- 2026-10-03 Alias added: GHSA-5gpw-3mxh-8583
References
Sources
- CVE-2026-84091 · CVE Program
- CVE-2026-84091 · NVD
- FIRST EPSS
- GHSA-5gpw-3mxh-8583 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences